Align recommends 7 Day Changes with Invisalign. What should we make of it?

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Interesting article. I agree that this should be judged on a case-by-case basis. I know my case would not have worked well with 7 day changes. I was a more mature patient (started treatment at age 43) and at certain periods, I had to wait 3 weeks to make a tray change because of a particularly stubborn rotation. I also had a difficult extrusion. Being in the medical field myself, I know there is certainly no one-size-fits-all method to treatment. For those lucky enough to meet the parameters for 7 day (or quicker) changes, good for them. Mine took longer than expected, but it was definitely worth it in the end.

I've been done with my treatment since Jan. 2015 and I'm very pleased with my outcome.

Greetings from Slovkia. My orthodontist recommended me the weekly change, but I'm not sure whether it's good in my case... I work as a radio host, so I can't wear the aligners 22 hours every single day. Some weeks I don't broadcast at all, so I can change weekly, but other weeks I have 2-4 broadcast days... Like this week, I had them in: 1. day - 22 hours, 2. day - 20 hours, 3. day - 18 hours, 4. day - 19.5 hours, 5. day - 20 hours, 6. day - 22 hours, 7. day 22 - hours. Can I change them already or should I wait on or more days? Thank You!